docs: def compare_checksums(self):
          """
          test to see if fetched file matches checksum from ebi
          :return: True or False
  
          """
          is_match = True
          reference_checksums = self.parse_checksum_file(
              self.files['checksum']['file'])
          for md5, file in reference_checksums.items():
              if os.path.isfile('/'.join((self.rawdir, file))):
                  if self.get_file_md5(self.rawdir, file) != md5:
                      is_match = False
                      LOG.warning('%s was not downloaded completely', file)
                      return is_match
  
          return is_match